<template>
  <Dialog v-model="dialogVisible" title="订单调价" width="25%">
    <el-form ref="formRef" v-loading="formLoading" :model="formData" label-width="100px">
      <el-form-item label="应付金额(总)">
        <el-input v-model="formData.payPrice" disabled />
      </el-form-item>
      <el-form-item label="订单调价">
        <el-input-number v-model="formData.adjustPrice" :precision="2" :step="0.1" class="w-100%" />
        <el-tag class="ml-10px" type="warning">订单调价。 正数，加价；负数，减价</el-tag>
      </el-form-item>
      <el-form-item label="调价后">
        <el-input v-model="formData.newPayPrice" disabled />
      </el-form-item>
    </el-form>
    <template #footer>
      <el-button :disabled="formLoading" type="primary" @click="submitForm">确 定</el-button>
      <el-button @click="dialogVisible = false">取 消</el-button>
    </template>
  </Dialog>
</template>
<script lang="ts" setup>
import * as TradeOrderApi from '@/api/mall/trade/order';
import { convertToInteger, floatToFixed2, formatToFraction } from '@/utils';
import { cloneDeep } from 'lodash-es';

defineOptions({ name: 'OrderUpdatePriceForm' });

const { t } = useI18n(); // 国际化
const message = useMessage(); // 消息弹窗

const dialogVisible = ref(false); // 弹窗的是否展示
const formLoading = ref(false); // 表单的加载中：1）修改时的数据加载；2）提交的按钮禁用
const formData = ref({
  id: undefined, // 订单编号
  adjustPrice: 0, // 订单调价
  payPrice: '', // 应付金额(总)
  newPayPrice: '' // 调价后应付金额(总)
});
watch(
  () => formData.value.adjustPrice,
  (adjustPrice: number | string) => {
    const numMatch = formData.value.payPrice.match(/\d+(\.\d+)?/);
    if (numMatch) {
      const payPriceNum = parseFloat(numMatch[0]);
      adjustPrice = typeof adjustPrice === 'string' ? parseFloat(adjustPrice) : adjustPrice;
      formData.value.newPayPrice = (payPriceNum + adjustPrice).toFixed(2) + '元';
    }
  }
);

const formRef = ref(); // 表单 Ref

/** 打开弹窗 */
const open = async (row: TradeOrderApi.OrderVO) => {
  resetForm();
  formData.value.id = row.id!;
  // 设置数据
  formData.value.adjustPrice = formatToFraction(row.adjustPrice!);
  formData.value.payPrice = floatToFixed2(row.payPrice!) + '元';
  formData.value.newPayPrice = formData.value.payPrice;
  dialogVisible.value = true;
};
defineExpose({ open }); // 提供 open 方法，用于打开弹窗

/** 提交表单 */
const emit = defineEmits(['success']); // 定义 success 事件，用于操作成功后的回调
const submitForm = async () => {
  // 提交请求
  formLoading.value = true;
  try {
    const data = cloneDeep(unref(formData));
    data.adjustPrice = convertToInteger(data.adjustPrice);
    delete data.payPrice;
    delete data.newPayPrice;
    await TradeOrderApi.updateOrderPrice(data);
    message.success(t('common.updateSuccess'));
    dialogVisible.value = false;
    // 发送操作成功的事件
    emit('success', true);
  } finally {
    formLoading.value = false;
  }
};

/** 重置表单 */
const resetForm = () => {
  formData.value = {
    id: undefined, // 订单编号
    adjustPrice: 0, // 订单调价
    payPrice: '', // 应付金额(总)
    newPayPrice: '' // 调价后应付金额(总)
  };
  formRef.value?.resetFields();
};
</script>
